Giorgio Tani PeaZIP up to 2.6.1 input validation

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.5	$0-$5k	0.00

Summaryinfo

A vulnerability identified as critical has been detected in Giorgio Tani PeaZIP. This vulnerability affects unknown code. This manipulation causes input validation. The identification of this vulnerability is CVE-2009-2261. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability classified as very critical was found in Giorgio Tani PeaZIP. Affected by this vulnerability is some unknown functionality. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

PeaZIP 2.6.1, 2.5.1, and earlier on Windows allows user-assisted remote attackers to execute arbitrary commands via a .zip archive with a .txt file whose name contains | (pipe) characters and a command.

The weakness was shared 06/30/2009 (Website). It is possible to read the advisory at milw0rm.com. This vulnerability is known as CVE-2009-2261 since 06/29/2009. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/06/2025).

It is possible to download the exploit at securityfocus.com. It is declared as highly functional. The commercial vulnerability scanner Qualys is able to test this issue with plugin 121512 (PeaZIP Archived File Name Handling Command Injection Vulnerability).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 16656.

The vulnerability is also documented in the databases at X-Force (50967), SecurityFocus (BID 39906†) and Vulnerability Center (SBV-31589†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

• Giorgio Tani

Name

• PeaZIP

Version

• 1.0
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8.1
• 1.8.2
• 1.9.1
• 1.9.2
• 1.9.3
• 1.10
• 1.11
• 2.0
• 2.1
• 2.2
• 2.3a
• 2.4.1
• 2.5.1
• 2.6.1

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.5

VulDB Base Score: 9.8
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

OpenVAS ID: 800593
OpenVAS Name: PeaZIP Remote Code Execution Vulnerability (Win)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: peazip_command_injection.rb
MetaSploit Name: PeaZip Zip Processing Command Injection
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

06/05/2009 🔍
06/29/2009 +24 days 🔍
06/30/2009 +1 days 🔍
06/30/2009 +0 days 🔍
06/30/2009 +0 days 🔍
05/31/2011 +700 days 🔍
03/17/2015 +1386 days 🔍
04/06/2025 +3673 days 🔍

Sourcesinfo

Advisory: milw0rm.com⛔
Status: Not defined

CVE: CVE-2009-2261 (🔍)
GCVE (CVE): GCVE-0-2009-2261
GCVE (VulDB): GCVE-100-48799
X-Force: 50967
SecurityFocus: 39906 - PeaZip '.Zip' Remote Arbitrary Command Execution Vulnerability
Vulnerability Center: 31589 - PeaZIP 2.6.1, 2.5.1 and Earlier on Windows Remote Commands Execution via Crafted .zip Archive, Medium

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/17/2015 23:38
Updated: 04/06/2025 08:12
Changes: 03/17/2015 23:38 (59), 03/23/2017 07:39 (12), 08/12/2021 08:13 (3), 06/26/2024 17:03 (15), 12/01/2024 01:24 (5), 04/06/2025 08:12 (3)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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